> If Walmart can forcibly add verbiage banning AWS from it's vendors and suppliers, the US government absolutely can.

You can add new language to new contracts. That is not what this is.

FedRAMP contracts require all inputs being FedRAMP compliant and a vetted BOM. Anthropic is no longer FedRAMP high and because it is declared a supply chain risk now all our FedRAMP contracts are at risk and any company who has FedRAMP customers is at risk too.